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« Return to Thread: 1.7 ssh/rsync consuming all cpu on x64 Vista
Re: 1.7 ssh/rsync consuming all cpu on x64 Vista
by Jonathan Stewart-3
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On 6/29/2009 6:02 AM, Corinna Vinschen wrote:
> On Jun 26 22:02, Jonathan wrote:
>> I've noticed that most of the time when doing an rsync tranfser over ssh
>> from my laptop to my server both ssh and rsync will max out a processor
>> core each and the transfer rate, even on a gigabit LAN, is only about
>> 250KB/s.
>
> I'm getting a 6 Gigs/s rate using the latest Cygwin from CVS. That's
> much better, though it's much worse than the 14 Gigs/s I get when using
> scp instead of rsync.
>
> Maybe you want to give the latest Cygwin snapshot from
> http://cygwin.com/snapshots/ a try.
I just need to replace the dll correct? If so it didn't help CPU usage
is still maxed out. As noted in another email it only occurs when
sending, receiving is normal. What should I check next?
$ ldd /bin/rsync.exe
ntdll.dll => /cygdrive/c/Windows/SysWOW64/ntdll.dll (0x77570000)
kernel32.dll => /cygdrive/c/Windows/syswow64/kernel32.dll
(0x756a0000)
cygwin1.dll => /usr/bin/cygwin1.dll (0x61000000)
ADVAPI32.DLL => /cygdrive/c/Windows/syswow64/ADVAPI32.DLL
(0x770f0000)
RPCRT4.dll => /cygdrive/c/Windows/syswow64/RPCRT4.dll (0x76d10000)
Secur32.dll => /cygdrive/c/Windows/syswow64/Secur32.dll
(0x75550000)
cygiconv-2.dll => /usr/bin/cygiconv-2.dll (0x674c0000)
cygpopt-0.dll => /usr/bin/cygpopt-0.dll (0x10000000)
$ ldd /bin/ssh.exe
ntdll.dll => /cygdrive/c/Windows/SysWOW64/ntdll.dll (0x77570000)
kernel32.dll => /cygdrive/c/Windows/syswow64/kernel32.dll
(0x756a0000)
cygcrypto-0.9.8.dll => /usr/bin/cygcrypto-0.9.8.dll (0x6ba40000)
cygwin1.dll => /usr/bin/cygwin1.dll (0x61000000)
ADVAPI32.DLL => /cygdrive/c/Windows/syswow64/ADVAPI32.DLL
(0x770f0000)
RPCRT4.dll => /cygdrive/c/Windows/syswow64/RPCRT4.dll (0x76d10000)
Secur32.dll => /cygdrive/c/Windows/syswow64/Secur32.dll
(0x75550000)
cygz.dll => /usr/bin/cygz.dll (0x692c0000)
$ uname -a
CYGWIN_NT-6.0-WOW64 SAGER9262 1.7.0s(0.210/5/3) 20090628 15:28:41 i686
Cygwin
Jonathan
--
Problem reports: http://cygwin.com/problems.html
FAQ: http://cygwin.com/faq/
Documentation: http://cygwin.com/docs.html
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> On Jun 26 22:02, Jonathan wrote:
>> I've noticed that most of the time when doing an rsync tranfser over ssh
>> from my laptop to my server both ssh and rsync will max out a processor
>> core each and the transfer rate, even on a gigabit LAN, is only about
>> 250KB/s.
>
> I'm getting a 6 Gigs/s rate using the latest Cygwin from CVS. That's
> much better, though it's much worse than the 14 Gigs/s I get when using
> scp instead of rsync.
>
> Maybe you want to give the latest Cygwin snapshot from
> http://cygwin.com/snapshots/ a try.
I just need to replace the dll correct? If so it didn't help CPU usage
is still maxed out. As noted in another email it only occurs when
sending, receiving is normal. What should I check next?
$ ldd /bin/rsync.exe
ntdll.dll => /cygdrive/c/Windows/SysWOW64/ntdll.dll (0x77570000)
kernel32.dll => /cygdrive/c/Windows/syswow64/kernel32.dll
(0x756a0000)
cygwin1.dll => /usr/bin/cygwin1.dll (0x61000000)
ADVAPI32.DLL => /cygdrive/c/Windows/syswow64/ADVAPI32.DLL
(0x770f0000)
RPCRT4.dll => /cygdrive/c/Windows/syswow64/RPCRT4.dll (0x76d10000)
Secur32.dll => /cygdrive/c/Windows/syswow64/Secur32.dll
(0x75550000)
cygiconv-2.dll => /usr/bin/cygiconv-2.dll (0x674c0000)
cygpopt-0.dll => /usr/bin/cygpopt-0.dll (0x10000000)
$ ldd /bin/ssh.exe
ntdll.dll => /cygdrive/c/Windows/SysWOW64/ntdll.dll (0x77570000)
kernel32.dll => /cygdrive/c/Windows/syswow64/kernel32.dll
(0x756a0000)
cygcrypto-0.9.8.dll => /usr/bin/cygcrypto-0.9.8.dll (0x6ba40000)
cygwin1.dll => /usr/bin/cygwin1.dll (0x61000000)
ADVAPI32.DLL => /cygdrive/c/Windows/syswow64/ADVAPI32.DLL
(0x770f0000)
RPCRT4.dll => /cygdrive/c/Windows/syswow64/RPCRT4.dll (0x76d10000)
Secur32.dll => /cygdrive/c/Windows/syswow64/Secur32.dll
(0x75550000)
cygz.dll => /usr/bin/cygz.dll (0x692c0000)
$ uname -a
CYGWIN_NT-6.0-WOW64 SAGER9262 1.7.0s(0.210/5/3) 20090628 15:28:41 i686
Cygwin
Jonathan
--
Problem reports: http://cygwin.com/problems.html
FAQ: http://cygwin.com/faq/
Documentation: http://cygwin.com/docs.html
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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